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Finding the Fourth Proportional to 35,906.46, 53,858.92 and 9,611.20

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Solution

The fourth proportional to 35,906.46, 53,858.92 and 9,611.20 is: 14,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.46 : 53,858.92 = 9,611.20 : x
  2. Step 2: Convert to fraction form
    35,906.46/53,858.92 = 9,611.20/x
  3. Step 3: Cross multiply
    35,906.46x = 53,858.92 × 9,611.20
  4. Step 4: Simplify right side
    35,906.46x = 517,648,851.90
  5. Step 5: Solve for x
    x = 517,648,851.90/35,906.46
  6. Step 6: Final answer
    x = 14,416.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.